If l is equal to 2.331 cm and b equal to 2.1 cm then l+ b equal to

4.431 c m

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4.4 c m

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4 c m

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2 c m

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Solution

The correct option is A $4.4 c m$
During addition,

One can't have more precision than the Lowest precise elements in the summation.

Here Lowest precision is of $2.1$

$l + b = 4.431$

Now truncate it to 1 digit after decimal.

Hence $l + b = 4.4$

Option $B$ is the correct answer

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If l is equal to 2.331 cm and b equal to 2.1 cm then l+ b equal to

The correct option is A 4.4cmDuring addition,One can't have more precision than the Lowest precise elements in the summation.Here Lowest precision is of 2.1l+b=4.431Now truncate it to 1 digit after decimal.Hence l+b=4.4Option B is the correct answer

The correct option is A $4.4 c m$
During addition,

One can't have more precision than the Lowest precise elements in the summation.

Here Lowest precision is of $2.1$

$l + b = 4.431$

Now truncate it to 1 digit after decimal.

Hence $l + b = 4.4$

Option $B$ is the correct answer